A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to ...

Every second counts when it comes to earthquakes, and Android‘s AEA system is changing how people prepare for one of nature’s most unpredictable disasters.

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north ...

The earthquakes that rocked the waters off the Oregon Coast this week are not a sign of the "Big One" -- but they are a wake-up call to prepare.

PORTLAND, Ore. (KOIN) — Oregonians, especially those who live along the coast, have been in close proximity to several earthquakes throughout 2022. Fortunately for residents, the worst of the ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

Earthquakes in the Pacific Ocean off the Oregon coast are very common. Since July 14, there have been 15 recorded earthquakes within a 155-mile radius of Tuesday's earthquake.

Seven earthquakes strike 100 to 150 miles off Oregon coast, strongest at 5.7 magnitude USGS Series of earthquakes, largest 5.7 magnitude, were recorded Tuesday off the S. Oregon coast.

A series of five earthquakes -- the largest nearly 6M -- struck off the coast of Oregon Tuesday night.

Oregon averages around 70 earthquakes a year; 15 of those are large enough to be felt. Most are crustal quakes that occur at relatively shallow depths.